19470165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 37981440

約数和(自身を除く): 18511275

約数列:

[1, 3, 5, 11, 13, 15, 29, 33, 39, 55, 65, 87, 143, 145, 165, 195, 313, 319, 377, 429, 435, 715, 939, 957, 1131, 1565, 1595, 1885, 2145, 3443, 4069, 4147, 4695, 4785, 5655, 9077, 10329, 12207, 12441, 17215, 20345, 20735, 27231, 44759, 45385, 51645, 61035, 62205, 99847, 118001, 134277, 136155, 223795, 299541, 354003, 499235, 590005, 671385, 1298011, 1497705, 1770015, 3894033, 6490055, 19470165]

約数ペア:

[(1, 19470165), (3, 6490055), (5, 3894033), (11, 1770015), (13, 1497705), (15, 1298011), (29, 671385), (33, 590005), (39, 499235), (55, 354003), (65, 299541), (87, 223795), (143, 136155), (145, 134277), (165, 118001), (195, 99847), (313, 62205), (319, 61035), (377, 51645), (429, 45385), (435, 44759), (715, 27231), (939, 20735), (957, 20345), (1131, 17215), (1565, 12441), (1595, 12207), (1885, 10329), (2145, 9077), (3443, 5655), (4069, 4785), (4147, 4695)]